Washer Not Draining All the Way: Causes & Fixes
Quick answer
Check the drain hose for kinks or clogs. Clear any blockages in the pump filter. If the problem persists, inspect the drain pump for damage and replace if necessary.
Confirm the symptom
- Water remains in the tub after the cycle ends
- Washer makes gurgling sounds during drainage
- Drainage is slow or stops midway
- Error code related to drainage appears on the display
- Water level rises during the spin cycle
Tools and prep
- Screwdriver — To remove panels and access components
- Plunger — To clear minor clogs in the drain
- Bucket — To catch water during inspection
- Flashlight — To see inside the washer and drain components
- Socket Wrench — To remove drain pump connections
- Work Gloves — For protection when handling water and parts
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Prep & safety
- Unplug the washer to prevent electrical hazards.
- Place a towel or mat under the washer to catch any leaks.
- Ensure the water supply is turned off before starting.
Step-by-step troubleshooting
Check Drain Hose
Do: Locate the drain hose at the back of the washer and inspect for kinks or clogs.
Observe: Hose is kinked or has visible blockage.
Means: Kinked hose or clog is preventing proper drainage.
Next: Straighten the hose or clear the clog with a plunger.
Inspect Pump Filter
Do: Access the pump filter by removing the front or bottom panel, depending on the washer model.
Observe: Filter is clogged with lint or debris.
Means: Clogged filter is restricting water flow.
Next: Clean the filter thoroughly and reassemble.
Test Drain Pump
Do: Check the drain pump for damage or blockages. Use a flashlight to look inside the pump housing.
Observe: Pump is clogged or shows signs of damage.
Means: Faulty or clogged pump is causing drainage issues.
Next: Clear the clog or replace the pump if damaged.
Check Drain Line Connections
Do: Ensure the drain hose is securely connected to the standpipe and there are no leaks.
Observe: Connections are loose or leaking.
Means: Improper connections can cause drainage problems.
Next: Tighten or replace the connections as needed.
Run a Test Cycle
Do: Plug in the washer and run a short cycle to see if the drainage issue is resolved.
Observe: Washer drains completely without issues.
Means: Problem was likely a clog or loose connection.
Next: No further action needed if the issue is resolved.
Inspect for Internal Clogs
Do: If drainage is still an issue, check the inner drum and pump inlet for blockages.
Observe: Lint, coins, or other objects are blocking the flow.
Means: Internal clogs are preventing proper drainage.
Next: Remove the blockage and clean the affected areas.
Check for Error Codes
Do: Consult the washer's manual to interpret any error codes related to drainage.
Observe: Error code indicates a specific issue.
Means: The washer has a built-in diagnostic system.
Next: Follow the manual's instructions for resolving the error code.
Verify Drain Line Installation
Do: Ensure the drain hose is not installed too high or too low, as this can affect drainage.
Observe: Hose is installed at the correct height.
Means: Improper installation can hinder drainage.
Next: Adjust the hose height if necessary.
Common causes table
| Cause | Why | Likelihood | Difficulty | Part often needed |
|---|---|---|---|---|
| Clogged drain hose | Blockage prevents water from exiting the washer. | High | Low | Drain hose |
| Clogged pump filter | Lint and debris restrict water flow. | High | Low | Pump filter |
| Faulty drain pump | Damaged pump cannot move water effectively. | Medium | Medium | Drain pump |
| Loose or damaged drain connections | Leaks or disconnections disrupt drainage. | Medium | Low | Drain hose or connectors |
| Internal clogs in the drum or pump inlet | Objects or lint block water flow. | Low | Medium | Drain pump or hose |
| Improper drain hose installation | Incorrect height affects drainage efficiency. | Low | Low | Drain hose |
| Faulty water level sensor | Sensor miscalculates water level, leading to drainage issues. | Low | High | Water level sensor |
| Blocked standpipe | Debris in the standpipe prevents proper drainage. | Low | Low | Standpipe |
Parts matching
When replacing parts, ensure compatibility with your washer model.
- Drain hose: match diameter and length to original
- Pump filter: check model number for compatibility
- Drain pump: verify voltage and model specifications
- Standpipe: ensure correct height and diameter
Consult your washer's manual for specific part numbers and installation instructions.
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When to call a pro
- If the washer still doesn't drain after clearing clogs and checking connections
- If the drain pump is damaged and you're unsure of the replacement process
- If error codes persist after troubleshooting
- If water is leaking from unexpected areas
- If the washer is under warranty and you don't want to risk voiding it
FAQ
How often should I clean the pump filter?
Clean the pump filter every 3–6 months to prevent clogs and maintain performance.
Can a clogged drain hose cause the washer to stop mid-cycle?
Yes, a clogged hose can lead to drainage issues that trigger the washer to pause or display an error code.
What should I do if the drain pump is making loud noises?
Loud noises may indicate a clog or mechanical failure. Turn off the washer and inspect the pump for blockages or damage.
Is it normal for some water to remain in the tub after a cycle?
A small amount of water is normal, but if it's significant, it indicates a drainage problem.
Can I use a chemical drain cleaner on my washer's drain hose?
Avoid chemical cleaners as they can damage the hose and internal components. Use a plunger or manual cleaning instead.